Littelfuse - Circuit Protection
129,899 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (65,617)
- Circuit Protection Kits (823)
- ESD Protection Diodes / TVS Diodes (14,330)
- Fuse Holders (3,353)
- Fuses (27,202)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,661)
- LED Protection Devices (286)
- Resettable Fuses - PPTC (3,821)
- Surge Protective Devices - SPD (2,526)
- Thermal Cutoffs (109)
- Thermistors (4,910)
- Thyristors (6,896)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
2In Stock8 On Order Expected 03-Jun-26 | ||||
1,078In Stock | ||||
Mfr: CCMR020.TXP TTI: CCMR020.TXP Littelfuse Availability: 1,979In StockIndustrial & Electrical Fuses 20A 600VAC 250VDC Time-Delay | 1,979In Stock | |||
1,344In Stock | ||||
Mfr: RF1542-000 TTI: LR4-450F Littelfuse Availability: 25In StockResettable Fuses - PPTC 4.5A 20V 100A Imax | 25In Stock | 177226-000 RF1542-000 | ||
30In Stock | ||||
Mfr: LFR600303CID TTI: LFR600303CID Littelfuse Availability: 5In StockFuse Holder CLASS R FUSE BLOCK 600V 30A 3 POLE | 5In Stock | |||
Mfr: CA1B0146303D1MG TTI: CA1-B0-14-630-3D1-MG Carling Technologies Availability: 36In StockCircuit Breakers CIRCUIT BREAKER HYMAG | 36In Stock | CA1B0146303D1MG | ||
50In Stock | ||||
300In Stock | ||||
Mfr: LFJ604003C TTI: LFJ604003C Littelfuse Availability: 2In StockFuse Holder CLASS J FUSE BLOCK 600V 400A 3 POLE | 2In Stock | |||
Mfr: SZ1SMB15CAT3G TTI: SZ1SMB15CAT3G Littelfuse Availability: 5,000In StockESD Protection Diodes / TVS Diodes 15V 600W BI-DIR SZ1SMB AEC-Q101 | 5,000In Stock | |||
Mfr: 0437.375WRA TTI: 0437.375WRA Littelfuse Availability: 12,000In Stock30,000 On Order Expected 22-Jun-26 Surface Mount Fuses .375A 125V AECQ | 12,000In Stock30,000 On Order Expected 22-Jun-26 | |||
Mfr: P6SMB200CA-E TTI: P6SMB200CA-E Littelfuse Availability: 6,000In Stock21,000 On Order Expected ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA T&R | 6,000In Stock21,000 On Order Expected | |||
Mfr: SMBJ48CA-E TTI: SMBJ48CA-E Littelfuse Availability: 9,000In StockESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ48CA 3K T&R | 9,000In Stock | |||
Mfr: SMBJ5.0A-E TTI: SMBJ5.0A-E Littelfuse Availability: 96,000In Stock3,000 On Order Expected 10-Aug-26 ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ5.0A CR T&R | 96,000In Stock3,000 On Order Expected 10-Aug-26 | |||
6,000In Stock | ||||
3,000In Stock | ||||
6,000In Stock | ||||
Mfr: 0312.750MXP TTI: 0312.750HXP Littelfuse Availability: 600In StockCartridge Fuses 250V .75A Fast Acting 3AG | 600In Stock | |||
Mfr: 5.0SMDJ120CA TTI: 5.0SMDJ120CA Littelfuse Availability: 3,000In StockESD Protection Diodes / TVS Diodes 5kW 120V 5% Bi-Directional | 3,000In Stock | |||
Mfr: V20P30AUTO TTI: V20P30AUTO Littelfuse Availability: 1,400In StockVaristors 30V 20mm Phenolic AEC-Q200 AUMOV | 1,400In Stock | |||
1,410In Stock | ||||
Mfr: NGD3103K3T1NLB001 TTI: 103JG1K Littelfuse Availability: 5,350In StockNTC Thermistors 10K OHM 10% DO-35 | 5,350In Stock | |||
Mfr: RF0319-000 TTI: SMD100F/33-2 Littelfuse Availability: 8,000In StockResettable Fuses - PPTC 1.1A 33V 40A Imax | 8,000In Stock | A45463-000 RF0319-000 |
